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Vitamin B-6 (pyridoxine) is important for normal brain development and for keeping the nervous system and immune system healthy.

Food sources of vitamin B-6 include poultry, fish, potatoes, chickpeas and bananas. Vitamin B-6 can also be taken as a supplement, typically as an oral capsule, tablet or liquid.

People who have kidney disease or conditions that prevent the small intestine from absorbing nutrients from foods (malabsorption syndromes) are more likely to be vitamin B-6 deficient. Certain genetic diseases and some epilepsy medications also can lead to deficiency. This can cause a condition in which you don’t have enough healthy red blood cells to carry adequate oxygen to your body’s tissues (anemia), confusion, depression and a weakened immune system.قرص vit b6

A vitamin B-6 deficiency is usually coupled with deficiency in other B vitamins, such as folate (vitamin B-9) and vitamin B-12.

The recommended daily amount of vitamin B-6 for adults is 1.3 milligrams.

Research on the use of vitamin B-6 for specific conditions shows:

A healthy and varied diet will provide most people with enough vitamin B-6. However, for people with kidney diseases, malabsorption syndromes and certain other conditions, a vitamin B-6 supplement is often necessary.

Vitamin B-6 supplements are also effective for treating a genetic form of anemia and for preventing an adverse reaction to the antibiotic cycloserine, a prescription drug taken to treat tuberculosis.

When used as a supplement in appropriate doses, vitamin B-6 is likely safe. High intake of vitamin B-6 through food hasn’t been shown to be harmful.

However, too much vitamin B-6 also can cause:

Check with your doctor before taking vitamin B-6 if you are taking medications. Possible drug interactions include:

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Also known as pyridoxine, vitamin B6 is a water-soluble vitamin, which means it dissolves in water. It is not stored by the body, and it is excreted in the urine, so people need to take in Vitamin B6 every day. It is part of the family of B-complex vitamins.

Other functions of pyridoxine include protein and glucose metabolism, and the manufacture of hemoglobin.

Hemoglobin is a component of red blood cells. It carries oxygen. Vitamin B6 is also involved in keeping the lymph nodes, thymus and spleen healthy.

Vitamin B6 has many functions in the body, and it plays a role in over 100 enzyme reactions.

Brain function

Vitamin B6 may help boost brain performance. A study published in the American Journal of Clinical Nutrition found that people with high concentrations of vitamin B-6 tested better on two measures of memory function.

Vitamin B6 is needed for neuron transmission in the brain.

Researchers from Oxford University in England noted that taking high doses of B vitamins each day was beneficial for older people with mild cognitive impairment. The rate at which their brains shrank fell by 50 percent, potentially lowering their risk of dementia.

Nausea during pregnancy

Research published in the American Journal of Obstetrics and Gynecology concluded that pyridoxine can reduce the severity of nausea in early pregnancy.

However, more high-quality studies are necessary to confirm this. Do not use more than the recommended dosage if taking a supplement.

Protection from air pollution

A study published in PNAS in 2017 indicated that vitamin B6 may help to protect against air pollution, by reducing the impact of pollution on the epigenome.

The researchers hope their findings may lead to new measures to prevent epigenetic changes that can result from exposure air pollution.

With 92 percent of the world’s population estimated to be living in places where pollution limits are higher than the World Health Organization’s upper limit of 10 μg/m3, this could be an important finding when it comes to controlling environmentally triggered disease.

Vitamin B6 is important for many reasons. One is to ensure the normal functioning of digestive enzymes that break down food, keep the skin healthy and produce blood products such as red blood cells.

This important vitamin has many other uses, and a deficiency can lead to permanent nerve damage.

A number of factors will affect a person’s daily requirement for vitamin B6, because it impacts several aspects of metabolism. The effect on protein intake has been widely studied.

People who are on high-protein diets may need to take more vitamin B6. They should speak to their doctor.

According to the U.S. Office of Dietary Supplements, the recommended daily requirement for vitamin B6 is:

Most foods have some vitamin B6. A person with a well-balanced diet should not have a deficiency, unless they have a physical problem, or they are taking certain medications.

The following are good sources of B6:

Other sources include:

Most foods contain some vitamin B6.

Deficiencies are rare, but they may occur if the individual has poor intestinal absorption or is taking estrogens, corticosteroids, anticonvulsants, and some other medications.
قرص vit b6

Long-term, excessive alcohol consumption may eventually result in a B6 deficiency, as can hypothyroidism and diabetes.

Signs and symptoms of vitamin B6 deficiency include:

It can lead to a pellagra-like syndrome, with seborrheic dermatitis, inflammation of the tongue, or glossitis, and inflammation and cracking of the lips, known as cheilosis.

In infants, seizures may persist even after treatment with anticonvulsants. Other deficiencies, like peripheral neuropathy, can be permanent.

According to the National Institutes of Health (NIH), between 28 and 35 percent of the population in the United States take vitamin supplements containing vitamin B6.

Supplements are available in capsule or tablet form.

The NIH also notes that most people of all ages in the U.S. consume sufficient B6. Those who are most likely to have low levels of B6 are those who drink excessive amounts of alcohol, people who are obese, and pregnant and breastfeeding women.

There is no evidence of any adverse effect from consuming too much vitamin B6 in food.

However, taking between 1 and 6 grams of oral pyridoxine a day for 12 to 40 months has been shown to cause severe, progressive sensory neuropathy and a loss of control of body movement.

The 2015 to 2020 Dietary Guidelines for Americans recommend that most nutrients should come from foods. They encourage consumption of a balanced diet with nutrient-dense foods and plenty of dietary fiber.

Article last updated by Yvette Brazier on Mon 27 March 2017.Visit our Nutrition / Diet category page for the latest news on this subject, or sign up to our newsletter to receive the latest updates on Nutrition / Diet.All references are available in the References tab.

Dietary guidelines for Americans 2015-2020, 8th edition. (2015). Retrieved from https://health.gov/dietaryguidelines/2015/guidelines/

Dietary Supplement Fact Sheet: Vitamin B6. (2016, February 11). Retrieved from http://ods.od.nih.gov/factsheets/VitaminB6-HealthProfessional/#en24

Food Sources of Vitamin B6 (Pyridoxine). (2012, July 27). Retrieved from http://www.dietitians.ca/Nutrition-Resources-A-Z/Factsheets/Vitamins/Food-Sources-of-Vitamin-B6-(Pyridoxine).aspx

Smith, A.D., Smith, S.M., de Jager, C.A., Whitbread, P., Johnston, C., Agacinski, G., … Refsum, H. (2010, September 8). Homocysteine-lowering by B vitamins slows the rate of accelerated brain atrophy in mild cognitive impairment: A randomized controlled trial [Abstract]. PLoS ONE 5(9): e12244 http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0012244

University of Columbia Mailman School of Public Health. (2017, March 13). Taking B Vitamins may reduce epigenetic effects of air pollution [Press release]. Retrieved from https://www.mailman.columbia.edu/public-health-now/news/taking-b-vitamins-may-reduce-epigenetic-effects-air-pollution

Zhong, J., Karlsson, O., Wang, G., Li., J., Guo, Y., Lin, X., ….Baccarelli, A.A. (2017, February 13). B vitamins attenuate the epigenetic effects of ambient fine particles in a pilot human intervention trial [Abstract]. PNAS. Retrieved from http://www.pnas.org/content/early/2017/03/07/1618545114.abstract

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ویتامین B6 یا پیریدوکسین در غذاهای مشخصی مانند غلات، حبوبات، سبزیجات، جگر، گوشت و تخم مرغ یافت می‌شود. این ویتامین در آزمایشگاه قابل ساخت است.

پیریدوکسین برای پیشگیری و درمان کمبود ویتامین B6 و کم خونی به کار می‌رود. این ویتامین برای درمان بیماری‌های قلبی؛ کلسترول بالا؛ کاهش سطح هوموسیستئین در خون، ماده‌ای که می‌تواند به بیماری‌های قلبی مرتبط باشد؛ و کمک باز شدگی انسداد شریان‌ها پس از عمل بالون زدن برای باز کردن آن‌ها (آنژیوپلاستی) نیز به کار می‌رود.

زنان از ویتامین B6 برای سندرم پیش قاعدگی (PMS) و سایر مشکلات مربوط به قاعدگی، تهوع صبحگاهی(تهوع و استفراغ) در اوایل بارداری، توقف جریان شیر پس از زایمان، افسردگی مربوط به بارداری یا استفاده از قرص‌های ضد بارداری و علائم یائسگی استفاده می‌کنند.

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ویتامین B6 همچنین برای درمان سرگیجه، سرگیجه هنگام حرکت، جلوگیری از بیماری تخریب لکه زرد شبکیه ناشی از کهولت (AMD)، صرع، تشنج ناشی از تب و اختلالات حرکتی (حرکت پریشی دیررس، پرجنبی، داءالرقص) و نیز افزایش میل جنسی و کمک به افراد برای به خاطر سپردن خواب ها استفاده می‌شود.

برخی افراد برای تقویت سیستم ایمنی، عفونت‌های چشمی، عفونت مثانه و پیشگیری از سرطان و سنگ کلیه از این ویتامین استفاده می‌کنند.ویتامین B6 برای غلبه بر اثرات جانبی زیان بار مخصوص درمان‌های تابشی و درمان با تجویز دارو مانند میتومایسین، پروکاربازین، سیکلوسرین، فلوروراسیل، هیدرازین، ایزونیازید، پنیسیلامین و وینکریستین نیز به کار می‌رود.

ویتامین B6 برای عملکرد مناسب قندها، چربی‌ها و پروتئین‌ها در بدن لازم است.ویتامین B6 یا پیریدوکسین برای رشد و نمو مناسب مغز، اعصاب، پوست و بسیاری از اعضای دیگر بدن نیز ضروری است.ویتامین B6 یا پیریدوکسین به طور مکرر در ترکیب با سایر ویتامین‌های B در محصولات مجموعه B (ب کمپلکس) استفاده می‌شود.

شما ممکن است یک داروی تجویزی با نام بندکتین را به خاطر داشته باشید که برای تهوع صبحگاهی در بارداری مورد استفاده قرار می‌گیرد.

بندکتین حاوی ویتامین B6 و یک خواب آور آنتی هیستامین به نام دوکسیلامین است. سازندگان بندکتین در سال 1983 به علت افزایش هزینه‌های سنگین قانونی در دفاع از محصولشان، فروش محصولشان را متوقف ساختند. مخالفان آن را به نقش در نقص مادرزادی متهم کردند.

با این حال، یک محصول با عنوان دیکلکتین که مشابه با بندکتین بود، در کانادا موجود ماند و تحقیقات نشان داد که نه ویتامین B6 و نه بندکتین تأثیری در نقایص مادرزادی در حیوانات ندارند.

پس از این که بندکتین از بازار جمع آوری شد، تعداد نوزادان دارای نقص مادرزادی کاهش نیافت، اما نرخ بستری برای تهوع و استفراغ بارداری دو برابر شد.

هشدار: خانم های باردار تمام دارو ها و مکمل ها را باید زیر نظر پزشک مصرف کنند.

تمام ویتامین های B1 -B12ﻣﺤﻠﻮﻝ ﺩﺭآب هستند پس با غذا و میوه و سبزیجات میل شوند.

ویتامین B6 یا پیریدوکسین برای گروه های سنی مختلف که از طریق مواد غذایی وارد بدن شود.

سن

RDA (میلی گرم)

بدو تولد تا 6 ماهگی *

0.1mg

7-12 ماهگی

0.3mg

1-3 سالگی

0.5mg

4-8 سالگی

0.6mg

9-13 سالگی

1mg

14-18 سالگی

زنان

مردان

1.2mg

1.3mg

19-50 سالگی

1.3mg

بالای 51 سال

زنان

قرص vit b6

مردان

1.5mg

1.7mg

ویتامین B6 یا پیریدوکسین در نظر گرفته شده به شکل دارو آمپول ویتامین B6 یا قرص ویتامین B6

سن

Upper Intake levels (ULs)

بدو تولد تا 1 سالگی*

تعیین آن امکان پذیر نیست

1-3 سالگی

30‌ میلی گرم

4-8 سالگی

40 میلی گرم

9-13 سالگی

60 میلی گرم

14-18 سالگی

80 میلی گرم

بالای 19 سال

100 میلی گرم

ویتامین B6 در دوران بارداری و شیردهی

با فرد عادی تفاوتی ندارد

کمبود خفیف ویتامین B6 معمولا به صورت ترک در لب ها و اطراف دهان ،التهاب در مخاط دهان، زبان، تحریک پذیری، گیجی، افسردگی و به ندرت نوروپاتی محیطی .

کمبودهای شدیدویتامین B6 با آنمی میکروسیتیک ، درماتیت سبورئیک و تشنج همراه می باشد.

مصرف زیاد مکمل های ویتامین B6باعث آسیب عصبی و علائم درماتوز، حساسیت به نور، سوزش سر دل، سرگیجه و تهوع می باشد. امامصرف زیاد این ویتامین از طریق مواد غذایی عوارض ندارد.

فکر می کنی با هوشی ؟ تست ساده

بازی

جلوگیری از ریزش مو به روش طبیعی

پوست، مو و ناخن

برای ارسال نظر، لطفا وارد حساب خود شوید یا ثبت نام نمایید.

سلکوکسیب یک دارو ی ضد التهاب غیر استروئیدی (NSAID) است

ملیجنت، لیناگلیپتین یک داروی دیابت نوع 2 است

بسیاری از افراد با استفاده از امپرازول عوارض جانبی جدی ندارند.

متادون، یک ضد درد قوی و یکی از این مواد است.

دوز کاپتوپریل براساس وضعیت پزشکی شما و پاسخ به درمان است.

همچنین به بخش هشدار در زمان مصرف ترامادول مراجعه کنید

ارلیستات متعلق به یک دسته از داروهایی است که مهار کننده های لیپاز هستند.

محصولات حاوی آهن مانند هماتینیک یک عامل مهم مسمومیت مرگبار در کودکان زیر 6 سال

کنترل مناسب دیابت، ممکن است خطر ابتلا به حمله قلبی یا سکته مغزی را کاهش دهد

قرص آتورواستاتین بدون توجه به غذا 1 بار در روز مصرف می شود.

تتراسایکلین یک آنتی بیوتیک باکتریواستاتیک متعلق به گروه تتراسایکلین است.

وارفارین برای جلوگیری از تشکیل لخته های جدید در بدن استفاده می شود.

این دارو با کمک به بازگرداندن تعادل سروتونین در مغز کار می کند.

ویتامین ای (E) ویتامینی است که در چربی حل می‌شود.

یکی از خواص عناب ضد سرطان بودن آن است. ناب باعث ازدیاد ویتامین k در خون می‌شود

در حال حاضر اطلاعات زیادی در مورد مکمل های غذایی و ویتامین ها وجود دارد.

ویتامین N یا اکسیر جوانی در جهان با نام های بسیاری شناخته شده است.

ویتامین B1 یک ترکیب محلول در آب است که به سرعت در محیط قلیایی و در

سبز یا بنفش؟ تفاوت ریحان در رنگ های مختلف چیست

فرنی گندم سیاه یکی از محبوب ترین غذاها در بین ورزشکاران است.

علاوه بر این ، ویتامین E مسئول وضعیت پوست است.

آیا بیماری اسکولیوز همیشه از وضعیت نشستن غلط ناشی می شود؟

به هر حال، ناخن می تواند در مورد نقض جدی در بدن بگوید.

با میومای رحم چه کار باید کرد و چه عوامل افزایش احتمال بیماری

پیشرفت و تشکیل سنگ کلیه توسط عوامل مختلف، از جمله تغذیه و حتی منطقه ای که

کلیه حقوق مادی و معنوی برای سایت سیارک محفوظ است.

این ویتامین سخت کوش فعالیت های زیادی در بدن انجام می دهد. ویتامین B6 بر روی خلق و خو، اشتها، خواب و افکار شما تاثیر می گذارد. بدن برای مبارزه با عفونت، تبدیل غذا به انرژی و انتقاا اکسیژن در خون به تمام بخش های بدن به این ویتامین احتیاج دارد. کمبود ویتامین B6 در بدن به ندرت اتفاق می افتد اما به هرحال در صورت بروز این مشکل باید بلافاصله برطرف شود. کاهش سطح انرژی اگر سطح ویتامین B6 در بدن خیلی کاهش پیدا کند، ممکن است دچار آنمی یا کم خونی شود، به این معنا که سلول های قرمز خون کم می شوند. این امر باعث خستگی و ضعف می شود. به علاوه کم خونی ممکن است ناشی از کمبود آهن در بدن باشد. کمبود سایر ویتامین ها، مانند ویتامین B12 و فولات نیز عوامل دیگری هستند که باعث کاهش سطح انرژی می شود. بثورات یا جوش های پوستی نشانه های کمبود ویتامین B6 می تواند روی پوست ظاهر شود. در بدن تغییر مواد شیمیایی اتفاق می افتد. اغلب کمبود ویتامین B6 باعث پوسته پوسته شدن و جوش های همراه خارش می شود که معمولا روی صورت بروز می کند و درماتیت سبورئیک seborrheic dermatitis نامیده می شود. این جوش ها به مرور زمان واضح تر و شدیدتر می شوند. اگر دچار کمبود ویتامین B6 باشید، بروز علائم چند ماه یا چند سال طول می کشد. خشکی یا ترک خوردن لب ها دهان جایگاه خوبی است که هر گونه کمبود ویتامین B6 را نشان می دهد. لب ها ممکن است پوسته پوسته شود و گوشه لب ها ترک بخورد. به علاوه زبان ملتهب می شود. سیستم ایمنی ضعیف کمبود ویتامین B6 ممکن است توانایی بدن در مقابل عفونت ها و بیماری ها را کاهش دهد. این مسئله می تواند یک چرخه باطل ایجاد کند. سرطان و سایر بیماری ها باعث کاهش سطح ویتامین B6 در بدن می شوند. بنابراین اگر مبتلا به این نوع بیماری ها هستید، برای جبران ویتامین B6 نیاز به مقدار بیشتری از آن دارید. با مصرف مکمل ویتامین B 6 می توانید کمبود آن را جبران کنید. بی حس شدن دست ها و پاها آیا انگشت های دست و پاهایتان سوزن سوزن می شوند؟ علت این مشکل اختلالات عصبی است که نوروپاتی محیطی نامیده می شود. کمبود ویتامین B6 باعث بروز نوروپاتی محیطی می شود. ویتامین B6 و B12 برای حفظ سلامت اعصاب ضروری هستند. بدخلق شدن نوزاد نوزاد بدخلق سعی می کند کمبود ویتامین B6 را به شما اعلام کند. اگر نوزاد را در بیشتر از 6 ماه با چیز دیگری به جز شیر خودتان تغذیه نکنید، کودک دچار کمبود ویتامین B6 می شود. کمبود بیش از حد این ویتامین حتی ممکن است منجر به بروز تشنج شود. به علاوه کمبود ویتامین B6 شنوایی کودک را ببش از حد حساس می کند و در نتیجه هر سر و صدایی به راحتی کودک را آزار می دهد. حالت تهوع صبحگاهی مادران بیشتر از هر کس دیگری به ویتامین B6 احتیاج دارد. اگر احساس تهوع و استفراغ می کنید (و این احساس فقط به صبح خلاصه نمی شود) نیاز به مکمل ویتامین B6 دارید. اما لازم است این مکمل را زیر نظر پزشک مصرف کنید. مغز مه آلود ویتامین B6 به تنظیم خلق و خو و حافظه کمک می کند. اگر متوجه بروز احساسات آشفته یا مایوس کننده شدید، به ویژه اگر سن بالایی دارید، کمبود ویتامین B6 می تواند علت بروز آن باشد. کمبود ویتامین B6 احتمال بروز افسردگی بعد از سکته مغزی، شکستن لگن یا سایر بیماری های مهم را افزایش می دهد. B6 گاهی با سایر ویتامین های گروه B همکاری می کند. اگر دچار کمبود این ویتامین شوید، ممکن است توانایی های ذهنی شما نیز کاهش پیدا کند. سرطان کمبود ویتامین B6 احتمال بروز سرطان را افزایش می دهد. محققان علت ارتباط بین کمبود ویتامین B6 و سرطان را نمی دانند، اما بررسی ها نوعی ارتباط بین کمبود ویتامین B6 و بروز سرطان های معده و مری را نشان داده اند. به علاوه کمبود این ویتامین احتمال ابتلا به سرطان را در صورت مصرف هورمون های استروئیدی افزایش می دهد، سرطان هایی مانند سرطان پستان و پروستات. میزان مصرف روزانه از ویتامین B6 چقدر است؟ میزان نیاز بدن به ویتامین B6 در روز ارتباط مستقیم با سن و سال شما دارد. نوزادهای 7 تا 12 ماه به میزان 0.3 میلی گرم ویتامین B6 در روز نیاز دارند. با بالا رفتن سن میزان نیاز شما به ویتامین B6 افزایش پیدا می کند. اگر بیشتر از 50 سال سن دارید، تقریبا به 5 برابر از این ویتامین احتیاج دارید: 1.7 میلی گرم در روز برای مردان و 1.5 میلی گرم در روز برای زنان. خانم های باردار بیش از هر کس دیگری به ویتامین B6 احتیاج دارند، یعنی 1.9 میلی گرم در روز. منابع ویتامین B6 : پروتئین ها دریافت تمام ویتامین B6 مورد نیاز از غذا آسان است. گوشت پرندگان، گوشت گوساله و ماهی از دم دست ترین منابع این ویتامین هستند. تنها 90 گرم از ماهی تن حاوی تقریبا نیمی از نیاز روزانه یک بزرگسال به ویتامین B6 است. همان مقدار از ماهی سالمون 30 درصد و همان مقدار گوشت مرغ 25 درصد از نیاز روزانه به ویتامین B6 را تامین می کنند. منابع ویتامین B6: سبزی ها و میوه ها اگر سبزیجات نشاسته ای مانند سیب زمینی یا ذرت دوست دارید بهتر است بدانید یکی از منابع دریافت ویتامین B6 هستند. میوه ها نیز منبع مهم دیگری از ویتامین B6 هستند (به جز مرکباتی مانند پرتقال و گریپفروت). یک فنجان نخود فرنگی و لوبیا چیتی نصف نیاز روزانه به ویتامین B6 را تامین می کنند. علت کمبود ویتامین B6 کمبود ویتامین B6 به شکل جدی به ندرت رخ می دهد. اما در برخی سالمندان به خاطر غذا نخوردن کافی یا عدم جذب مواد مغذی توسط بدن ممکن است دچار کمبود ویتامین B6 شونئ. بیماری های کلیوی و سایر شرایطی که باعث می شوند مواد مغذی توسط روده کوچک به خوبی جذب نشوند، از مهم ترین علل بروز کمبود ویتامین B6 هستند. نوشیدن زیاد مشروبات الکلی نیز یک عامل دیگر است. مکمل های ویتامین B6 اگر قادر به دریافت ویتامین B6 کافی از غذاها نیستید، مکمل ها می توانند این کمبود را جبران کنند. اکثر مولتی ویتامین ها دارای ویتامین B6 هستند یا اینکه می توانید ویتامین B6 را به طور مجزا مصرف کنید. اگر در حال مصرف داروی خاصی هستید یا مکمل دیگری مصرف می کنید، به پزشک خود اطلاع دهید. به علاوه در مصرف ان محتاط باشید. مصرف زیاد ویتامین B6 به عصب ها آسیب می رساند یا منجر به بروز زخم، سوزش سر دل یا تهوع می شود. حداکثر میزان مصرف ویتامین B6 برای بزرگسالان 100 میلی گرم در روز است.

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قرص vit b6

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Our Nutrition Advice team answer many thousands of questions
and queries that come in by phone, letters and e-mail.
Each one is answered individually in absolute confidence.

Vitamin B6, also known as pyridoxine, is a water-soluble vitamin that your body needs for several functions.

It’s significant to protein, fat and carbohydrate metabolism and the creation of red blood cells and neurotransmitters (1).

Your body cannot produce vitamin B6, so you must obtain it from foods or supplements.

Most people get enough vitamin B6 through their diet, but certain populations may be at risk for deficiency.

Consuming adequate amounts of vitamin B6 is important for optimal health and may even prevent and treat chronic diseases (2).قرص vit b6

Here are 9 health benefits of vitamin B6, backed by science.

Vitamin B6 plays an important role in mood regulation.

This is partly because this vitamin is necessary for creating neurotransmitters that regulate emotions, including serotonin, dopamine and gamma-aminobutyric acid (GABA) (3, 4, 5).

Vitamin B6 may also play a role in decreasing high blood levels of the amino acid homocysteine, which have been linked to depression and other psychiatric issues (6, 7).

Several studies have shown that depressive symptoms are associated with low blood levels and intakes of vitamin B6, especially in older adults who are at high risk for B vitamin deficiency (8, 9, 10).

One study in 250 older adults found that deficient blood levels of vitamin B6 doubled the likelihood of depression (9).

However, using vitamin B6 to prevent or treat depression has not been shown to be effective (11, 12).

A controlled two-year study in approximately 300 older men who did not have depression at the start found that those taking a supplement with B6, folate (B9) and B12 were not less likely to have depressive symptoms compared to the placebo group (12).

Vitamin B6 may play a role in improving brain function and preventing Alzheimer’s disease, but the research is conflicting.

On the one hand, B6 can decrease high homocysteine blood levels that may increase the risk of Alzheimer’s (13, 14, 15).

One study in 156 adults with high homocysteine levels and mild cognitive impairment found that taking high doses of B6, B12 and folate (B9) decreased homocysteine and reduced wasting in some regions of the brain that are vulnerable to Alzheimer’s (16).

However, it’s unclear if a decrease in homocysteine translates to improvements in brain function or a slower rate of cognitive impairment.

A randomized controlled trial in over 400 adults with mild to moderate Alzheimer’s found that high doses of B6, B12 and folate decreased homocysteine levels but did not slow decline in brain function compared to a placebo (17).

In addition, a review of 19 studies concluded that supplementing with B6, B12 and folate alone or in combination did not improve brain function or reduce the risk of Alzheimer’s (18).

More research that looks at the effect of vitamin B6 alone on homocysteine levels and brain function is needed to better understand the role of this vitamin in improving brain health.

Due to its role in hemoglobin production, vitamin B6 may be helpful in preventing and treating anemia caused by deficiency (19).

Hemoglobin is a protein that delivers oxygen to your cells. When you have low hemoglobin, your cells don’t get enough oxygen. As a result, you may develop anemia and feel weak or tired.

Studies have linked low levels of vitamin B6 with anemia, especially in pregnant women and women of childbearing age (20, 21).

However, vitamin B6 deficiency is thought to be rare in most healthy adults, so there is limited research on using B6 to treat anemia.

A case study in a 72-year-old woman with anemia due to low B6 found that treatment with the most active form of vitamin B6 improved symptoms (22).

Another study found that taking 75 mg of vitamin B6 daily during pregnancy decreased symptoms of anemia in 56 pregnant women who were unresponsive to treatment with iron (20).

More research is needed to understand the effectiveness of vitamin B6 in treating anemia in populations other than those at increased risk for B vitamin deficiency, such as pregnant women and older adults

Vitamin B6 has been used to treat symptoms of premenstrual syndrome, or PMS, including anxiety, depression and irritability.

Researchers suspect that B6 helps with emotional symptoms related to PMS due to its role in creating neurotransmitters that regulate mood.

A three-month study in over 60 premenopausal women found that taking 50 mg of vitamin B6 daily improved PMS symptoms of depression, irritability and tiredness by 69% (23).

However, women who received a placebo also reported improved PMS symptoms, which suggests that the effectiveness of the vitamin B6 supplement may have been due in part to a placebo effect (23).

Another small study found that 50 mg of vitamin B6 along with 200 mg of magnesium per day significantly reduced PMS symptoms, including mood swings, irritability and anxiety, over the course of one menstrual cycle (24).

While these results are promising, they’re limited by small sample size and short duration. More research on the safety and effectiveness of vitamin B6 in improving PMS symptoms is needed before recommendations can be made (25).

Vitamin B6 has been used for decades to treat nausea and vomiting during pregnancy.

In fact, it’s an ingredient in Diclegis, a medication commonly used to treat morning sickness (26).

Researchers are not entirely sure why vitamin B6 helps with morning sickness, but it may be because adequate B6 plays several vital roles in ensuring a healthy pregnancy (27).

A study in 342 women in their first 17 weeks of pregnancy found that a daily supplement of 30 mg of vitamin B6 significantly reduced feelings of nausea after five days of treatment, compared to a placebo (28).

Another study compared the impact of ginger and vitamin B6 on reducing episodes of nausea and vomiting in 126 pregnant women. The results showed that taking 75 mg of B6 each day decreased nausea and vomiting symptoms by 31% after four days (29).

These studies suggest that vitamin B6 is effective in treating morning sickness even in durations of less than one week.

If you’re interested in taking B6 for morning sickness, speak with your doctor before starting any supplements.قرص vit b6

Vitamin B6 may prevent clogged arteries and minimize heart disease risk.

Research shows that people with low blood levels of vitamin B6 have almost double the risk of getting heart disease compared to those with higher B6 levels (30).

This is likely due to the role of B6 in decreasing elevated homocysteine levels associated with several disease processes, including heart disease (31, 32, 33).

One study found that rats deficient in vitamin B6 had higher blood levels of cholesterol and developed lesions that could cause artery blockages after being exposed to homocysteine, compared to rats with adequate B6 levels (33).

Human research also shows a beneficial effect of B6 in preventing heart disease.

A randomized controlled trial in 158 healthy adults who had siblings with heart disease divided participants into two groups, one that received 250 mg of vitamin B6 and 5 mg of folic acid every day for two years and another that received a placebo (31).

The group that took B6 and folic acid had lower homocysteine levels and less abnormal heart tests during exercise than the placebo group, putting them at an overall lower risk of heart disease (31).

Getting enough vitamin B6 may lower your risk of developing certain types of cancer.

The reason why B6 may help prevent cancer is unclear, but researchers suspect that it’s related to its ability to fight inflammation that may contribute to cancer and other chronic conditions (34, 35).

A review of 12 studies found that both adequate dietary intake and blood levels of B6 were associated with lower risks of colorectal cancer. Individuals with the highest blood levels of B6 had an almost 50% lower risk of developing this type of cancer (36).

Research on vitamin B6 and breast cancer also shows an association between adequate blood levels of B6 and a decreased risk of the disease, especially in postmenopausal women (37).

However, other studies on vitamin B6 levels and cancer risk have found no association (38, 39).

More research that includes randomized trials and not merely observational studies is needed to assess the exact role of vitamin B6 in cancer prevention.

Vitamin B6 may play a role in preventing eye diseases, especially a type of vision loss that affects older adults called age-related macular degeneration (AMD).

Studies have linked high blood levels of circulating homocysteine with an increased risk of AMD (40, 41).

Since vitamin B6 helps reduce elevated blood levels of homocysteine, getting enough B6 may lower your risk of this disease (42).

A seven-year study in over 5,400 female health professionals found that taking a daily supplement of vitamin B6, B12 and folic acid (B9) significantly reduced AMD risk by 35–40%, compared to a placebo (43).

While these results suggest that B6 may play a role in preventing AMD, it’s difficult to tell if B6 alone would offer the same benefits.

Research has also linked low blood levels of vitamin B6 to eye conditions that block veins that connect to the retina. A controlled study in over 500 people found that the lowest blood levels of B6 were significantly associated with retinal disorders (44).

Vitamin B6 may help reduce symptoms associated with rheumatoid arthritis.

The high levels of inflammation in the body that result from rheumatoid arthritis may lead to low levels of vitamin B6 (45, 46).

However, it’s unclear if supplementing with B6 decreases inflammation in people with this condition.

A 30-day study in 36 adults with rheumatoid arthritis found that 50 mg of vitamin B6 daily corrected low blood levels of B6 but did not decrease the production of inflammatory molecules in the body (47).

On the other hand, a study in 43 adults with rheumatoid arthritis that took 5 mg of folic acid alone or 100 mg of vitamin B6 with 5 mg of folic acid daily showed that those who received B6 had significantly lower levels of pro-inflammatory molecules after 12 weeks (48).

The contradictory results of these studies may be due to the difference in vitamin B6 dose and study length.

While it appears that high doses of vitamin B6 supplements may provide anti-inflammatory benefits for people with rheumatoid arthritis over time, more research is needed.

You can get vitamin B6 from food or supplements.

The current recommended daily amount (RDA) for B6 is 1.3–1.7 mg for adults over 19. Most healthy adults can get this amount through a balanced diet that includes vitamin-B6-rich foods like turkey, chickpeas, tuna, salmon, potatoes and bananas (1).

Studies that highlight the use of vitamin B6 to prevent and treat health issues focus on supplements rather than food sources.

Doses of 30–250 mg of vitamin B6 per day have been used in research on PMS, morning sickness and heart disease (24, 28, 31).

These amounts of B6 are significantly higher than the RDA and sometimes combined with other B vitamins. It’s difficult to assess if increasing intake of B6 from dietary sources has the same benefits for certain conditions that supplements may provide.

If you’re interested in taking vitamin B6 supplements to prevent or address a health issue, speak to your healthcare provider about the best option for you. In addition, look for a supplement that has been tested for quality by a third party.

Getting too much vitamin B6 from supplements can cause negative side effects.

Vitamin B6 toxicity is not likely to occur from food sources of B6. It would be nearly impossible to consume the amount in supplements from diet alone.

Taking more than 1,000 mg of supplemental B6 a day may cause nerve damage and pain or numbness in the hands or feet. Some of these side effects have even been documented after just 100–300 mg of B6 per day (49).

For these reasons, the tolerable upper limit of vitamin B6 is 100 mg per day for adults (3, 50).

The amount of B6 used to manage certain health conditions rarely exceeds this amount. If you’re interested in taking more than the tolerable upper limit, consult your doctor.

Vitamin B6 is a water-soluble vitamin obtained from food or supplements.

It’s needed for many processes in your body, including creating neurotransmitters and regulating homocysteine levels.

High doses of B6 have been used to prevent or treat certain health conditions, including PMS, age-related macular degeneration (AMD) and nausea and vomiting during pregnancy.

Getting enough B6 through your diet or a supplement is crucial for staying healthy and may have other impressive health benefits as well.

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